... elements The spectrum of the collective excitations is obtained from the zeros of the real part and the imaginary part of the double- layer dielectric function describes the damping of collective ... TEMPERATURE EFFECTS ON THE PLASMON MODES OF DOUBLE- LAYER GRAPHENE 15 The DLG dielectric function is obtained from the determinant of the generalized dielectric tensor and has the following form εDLG ... TEMPERATURE EFFECTS ON THE PLASMON MODES OF DOUBLE- LAYER GRAPHENE 13 II THEORY In graphene, The energy dispersion near the K, K’ points of the Brillouin zone is given by [9]: (1)...
Ngày tải lên: 30/10/2015, 19:59
... The CDC’s Office of Women’s Health + + The Office of Planning, Research, and Evaluation of the Administration for Children and Families (ACF) + The Children’s Bureau of the ACF + The Office of ... 2002 Percentage of births to women 15-44 years of age at interview that were unintended at the time of conception by both the mother and the father, by mother’s age at birth: United ... support from other components of the U.S Department of Health and Human Services These organizations, along with leading researchers from outside the government, helped to design the Cycle NSFG The...
Ngày tải lên: 13/02/2014, 10:20
Tài liệu THE ESTIMATION OF THE EFFECTIVE REPRODUCTIVE NUMBER FROM DISEASE OUTBREAK DATA pdf
... by taking the square roots of ˆ the diagonal elements of the covariance matrix Σn GLS The values of the weights involved in the GLS estimation depend on the values of the fitted model These values ... proportional to the square of the predicted incidence: wj = 1/[z(tj ; θ)]2 On the other hand, if ρ = 1/2, then the weights are proportional to the reciprocal of the predicted incidence; these correspond ... reported by the CDC in the US during the 1999–00 season [12] The number of H3N2 cases (isolates) is displayed as a function of time Time is measured as the number of weeks since the start of the year’s...
Ngày tải lên: 13/02/2014, 16:20
Tài liệu Báo cáo khoa học: Crystal structure of importin-a bound to a peptide bearing the nuclear localisation signal from chloride intracellular channel protein 4 ppt
... (Leu104–Pro111) Indicative of the tightness of the fit, there are a large number (30) of atom-to-atom van der Waals’ contacts between the Tyr205 side chain and importin-a (Table 2) The numbers of contacts are ... repeats 2, and (Fig 1A) In the major binding site, the positions of six NLS residues are labelled P1–P6, following the directionality of a bound NLS from the N-terminus to the C-terminus, which runs ... competes for the importin-a binding site, reducing binding affinity for cargo proteins and helping to facilitate the release of the cargo within the nucleus [10,11] The removal of the autoinhibitory...
Ngày tải lên: 14/02/2014, 19:20
Tài liệu Báo cáo khoa học: Crystal structure of the cambialistic superoxide dismutase from Aeropyrum pernix K1 – insights into the enzyme mechanism and stability pdf
... NE2 of His31, bound to the metal, in the company of a water oxygen, from the apical positions The manga˚ nese was only 0.06 A out of the equatorial plane (Table 3) The angles around the metal cofactor ... on the coordination of the metal cofactor in the active site as well as the changes it experiences in response to different metal cofactors Finally, by comparing ApeSOD with the SOD from the thermophilic ... [26] These findings lead to the hypothesis that Fe-bound ApeSOD mimics the product-inhibited form and the shift of Tyr39 suppresses the release of the peroxide product This may be one of the reasons...
Ngày tải lên: 14/02/2014, 22:20
Tài liệu Báo cáo khoa học: Investigation and prediction of the severity of p53 mutants using parameters from structural calculations pptx
... the cross indicates the cut-off value used in PREDMUT The limit between the classes was set to the activity value of 25%, because this value was observed to be a natural divider of the data The ... favour of a severe mutant At the other end of the spectrum, where we have low energy, there is 75% probability for the mutation to be nonsevere if the energy is 0.125 or lower Thus, on the basis of ... residue, at least not in the same way as the others From Table 10, it can be seen that p53R2 possesses a few mutants that behave differently from the rest of the promoters Of these, amino acid residues...
Ngày tải lên: 18/02/2014, 11:20
Tài liệu Báo cáo khoa học: Substrate specificity and inhibition of brassinin hydrolases, detoxifying enzymes from the plant pathogens Leptosphaeria maculans and Alternaria brassicicola ppt
... both BHs The type of inhibition caused by cyclobrassinin was determined from the kinetics of inhibition of BHs, shown in the form of Lineweaver–Burk double reciprocal plots (Fig 8B,C) These results ... amidase from Bacillus subtilis strain 168 (dimeric form) [19] and N-acetylmuramoyl-l-alanine amidase from human serum [20] Tetrameric forms of amidases were identified for the polyamidase from ... cultures of L maculans (twofold higher than that of camalexin) For this reason, 3-phenylindole (0.2 mm) was used to induce the biosynthesis of BHs to facilitate their purification Purification of BH from...
Ngày tải lên: 18/02/2014, 14:20
Tài liệu Báo cáo khóa học: Further insights into the assembly of the yeast cytochrome bc1 complex based on analysis of single and double deletion mutants lacking supernumerary subunits and cytochrome b pdf
... a of cytochrome b The figure was constructed from the crystal structure of the yeast bc1 complex [6] In this study, we have investigated the role of the supernumerary subunits in the assembly of ... with antibodies to the subunits of the yeast bc1 complex indicated on the left side of the blots The Western blots are shown in panels A and B and the relative amounts of each of the subunits determined ... the absence of subunit also resulted in an increase in the ratio of intermediate to mature cytochrome c1 and a disappearance of the intermediate form of the Rieske protein At the same time, the...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Bioinformatics of the glycoside hydrolase family 57 and identification of catalytic residues in amylopullulanase from Thermococcus hydrothermalis doc
... in the case of equal lengths, alphabetically The division is based on the evolutionary trees (Fig 4) For the amylopullulanase from Thermococcus hydrothermalis (Q9Y8I8_THEHY), the numbering of the ... data) Therefore, in attempt to provide the first elements towards the understanding of the functionality of the potentially valuable, heat stable GH-57 enzymes, especially that of the T hydrothermalis ... on the complete alignment of sequences with the gaps included for the calculation, whereas the second (Fig 4B) is based on the conserved sequence regions As can be seen from the clustering of the...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: A novel type of highly negatively charged lipooligosaccharide from Pseudomonas stutzeri OX1 possessing two 4,6-O-(1-carboxy)-ethylidene residues in the outer core region ppt
... also found The 1H-NMR spectrum revealed the absence of anomeric signals from GlcN I and GlcN II of Lipid A, the lack of pyruvate methyl groups, as a consequence of the cleavage of the ketal group ... play a role in the interaction of the microorganism with the environment [12,13] In this paper, the structural characterization of the carbohydrate backbone of the rough form LPS of P stutzeri ... GlcN I of the lipid A skeleton The spin system at Ó FEBS 2004 2694 S Leone et al (Eur J Biochem 271) Fig The structure of oligosaccharide obtained by alkaline hydrolysis of the core region of the...
Ngày tải lên: 19/02/2014, 13:20
Tài liệu Báo cáo khoa học: Crystal structure of thiamindiphosphate-dependent indolepyruvate decarboxylase from Enterobacter cloacae, an enzyme involved in the biosynthesis of the plant hormone indole-3-acetic acid doc
... catalytic residues The active site cavity in IPDC extends from the thiazolium ring of the cofactor to the surface of the protein The entrance of the active site cleft is covered by the C-terminal ... ScPDC on the other hand involving the C-terminal part of the polypeptide chain (Fig 7) In the latter, differences in the conformation of the loop between Fig Stereo picture of the model of the a-carbanion/enamine ... However, the packing of the two dimers in the tetramer is different from that of the PDCs of known structure, best described as a 20° rotation of one dimer towards the other when compared to the Z...
Ngày tải lên: 20/02/2014, 11:20
Tài liệu Báo cáo khoa học: A single amino acid substitution of Leu130Ile in snake DNases I contributes to the acquisition of thermal stability A clue to the molecular evolutionary mechanism from cold-blooded to warm-blooded vertebrates docx
... with the nt sequence of the open reading frame (ORF) of their cDNAs and the corresponding aa sequences, in Table Summary of the purification of DNases I from the pancreases of three species of snake ... were amplified only from the pancreatic and small intestinal total RNAs of the three snakes No amplified products were obtained from the RNAs of the other tissues The restriction of DNase I gene expression ... regions of E climacophora DNase I cDNA were identical to those of E quadrivirgata, but 8.4% (16/189) of the entire nt sequence in the 3¢-UTR of the former was different from that of the latter The...
Ngày tải lên: 20/02/2014, 23:20
Tài liệu Báo cáo khoa học: Moult cycle-related changes in biological activity of moult-inhibiting hormone (MIH) and crustacean hyperglycaemic hormone (CHH) in the crab, Carcinus maenas From target to transcript ppt
... levels in the XO, and peptide levels in the SG during these significant stages of the moult cycle, as these are of fundamental importance with regard to the currently accepted model of moult control ... but as these experiments clearly showed reduction in biosynthesis of both ecdysteroids in the presence of either neuropeptide, reiterating the findings seen for total ecdysteroids, further studies ... products of the YO, ecdysone and 25-deoxyecysone Inhibition of 3-dehydroecdysone synthesis was not measured, but this is a minor secretory product of Carcinus YO [11] Loss of sensitivity of YO to the...
Ngày tải lên: 21/02/2014, 00:20
Tài liệu Báo cáo Y học: A family of expressed antifreeze protein genes from the moth, Choristoneura fumiferana ppt
... insert which included the complete sequence for a gene of the intermediate size 3¢ UTR class of AFP (Fig 1) With the exception of the longer coding region, the overall structure of the AFP-Iu1 (intermediate ... UTR isoform class based on its nucleic acid sequence and the potential size of its mRNA Molecular modeling of this new, putative isoform, based on the NMR-derived structure of the 337 isoform, ... indicates the putative 3¢ UTR of the gene, based on the transcript size estimation The white box in the 3¢ end of Afp-Lu1 is a 517nucleotide nonintronic sequence that is not present in the 3¢ UTR of...
Ngày tải lên: 21/02/2014, 15:20
Reproductive contributions of Taiwan''''s foreign wives from the top five source countries pot
... 2010) Their studies differ from ours with respect to the definitions of the dependent variable, the selections of sub-samples, the choices of statistical models, and the methods of quantifying the ... universe of the census was created by merging (1) the records of foreign spouses (not including those from China) in the data system of the National Police Agency, (2) the records of spouses from ... areas of demography, the period of time is one year The denominator of an incidence rate is a product of (1) the size of the at-risk population and (2) the time interval used to observe the events...
Ngày tải lên: 05/03/2014, 16:20
Credit at times of stress: Latin American lessons from the global financial crisis pot
... after the bankruptcy of Lehman Brothers Taking into account the characteristics of the evolution of real credit, the variable under analysis in the rest of this paper is defined as the change in the ... the crisis while it decreased in the rest of Asia In the case of Mexico, the recovery of real credit took longer than in the rest of the region (ii) By the end of 2009, real credit growth and ... currency is another source of a currency mismatch In either of these two examples, a s harp depreciation of the local currency might severely impede the financial position of the debtor In the first...
Ngày tải lên: 06/03/2014, 08:20
.THE HISTORY OF AUSTRALIA AND NEW ZEALAND FROM 1606 TO 1890 docx
... but the sound of axes, hammers, and saws, with the crash of trees and the shouts of the convict overseers They lost no time in preparing their habitations on shore; for the confinement of the ... place of the money itself At the request of Governor Arthur, coins to the value of a hundred thousand pounds were sent out from England for the use of the colonists Governor Arthur’s period of office ... waterfalls from the edges of the rocky shore, or wandered amid tropical luxuriance of plants down to the golden sands that lay within the coral barriers The inhabitants came down to the edge of the...
Ngày tải lên: 06/03/2014, 12:21
“Marketing is the whole business, taken from the customer’s point of view.” - Peter Drucker docx
... achieve their potential Through marketing the market, many of the preceding relationships can been strengthened When vendors make the effort to market the market as a whole (see ideas at right), the ... personnel-find out if the food section editor is interested in a recipe of the week, see if the garden writer needs leads on the new and hot perennials •When someone from the media contacts you offer, “How ... Marketing the Market Katherine Kelly and Joan Vibert, vendors at Kansas City’s Brookside Farmers’ Market, offer the following possibilities for vendors to contribute to the success of the market...
Ngày tải lên: 06/03/2014, 21:20
Báo cáo khoa học: Global shape and pH stability of ovorubin, an oligomeric protein from the eggs of Pomacea canaliculata pot
... giving the best fit to the scattering intensity The resulting dummy atom model represents the shape of the scattering particle To increase the reliability of the results, the final model for the dummy ... by the Fourier inversion of the scattering intensity I(q) using the gnom 4.5 program [16] The low-resolution model of ovorubin was obtained from the algorithm built in the program dammin [36] The ... 75% of the total (Fig 3B) The diameter obtained from the first maxi˚ mum, 112 A, is in general agreement with the maximum pair distance obtained from SAXS results The ˚ second maximum of the size...
Ngày tải lên: 07/03/2014, 06:20
Báo cáo khoa học: Solution structure of the active-centre mutant I14A of the histidinecontaining phosphocarrier protein from Staphylococcus carnosus ppt
... ensemble of HPr(I14A) The average structure of the 10 lowest-energy structures out of 300 calculated with CNS is shown The radius of the spline reflects the RMSD values of the Ca atom positions The ... atoms of Ala19 In addition, the C-terminus folds back onto the core of the protein thereby allowing the side chain of Leu86 to partly fill the hole created by the removal of Ile14 Due to these ... computed as the ratio of the standard deviations of the chemical shifts of the amide nitrogen and proton nuclei Results Determination of the three-dimensional structure of HPr(I14A) To allow the comparison...
Ngày tải lên: 07/03/2014, 16:20